The HZ-600 is an advanced testing solution that integrates an optical digital network signal analyzer with a high-precision relay protection tester. Designed for comprehensive field and laboratory use, it delivers unmatched versatility for modern digital substation maintenance.

| Parameter | Specification |
|---|---|
| IEC 61850 Interface | 3 pairs (1× 100/1000M, 2× 100M), 1310nm |
| FT3 Interface | 1 sending, 1 receiving (ST type) |
| Phase | 0–360°, Acc: ±0.1°, Res: 0.1° |
| Frequency | 0–1000Hz, Acc: <±0.001Hz to <±0.02Hz |
| Time | 10ms to 9999.999s, Res: 1ms |
| Switch Quantity Input | 1 pair, 0–250V |
| Switch Output | 1 pair, DC250V / 0.5A |
| Synchronization | IRIG-B/PPS optical, 2 ports |
| Power Supply | AC 220V, 47–65 Hz |
| Weight | 2.5kg |
| Dimensions | 239mm × 41mm × 170mm |